Mostrando 4,861 - 4,880 Resultados de 5,585 Para Buscar '"Continente"', tiempo de consulta: 0.18s Limitar resultados
  1. 4861
    “…This happens because O(2)‐dependent continental weathering of (13)C‐depleted organics changes carbon isotope inputs to the atmosphere–ocean system. …”
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  2. 4862
    “…This study presents two different approaches to analyse the impact of social activity factors and weather variables on daily COVID-19 cases at county level over the Continental U.S. (CONUS). The first one is a traditional statistical method, i.e., Pearson correlation coefficient, whereas the second one is a machine learning algorithm, i.e., random forest regression model. …”
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  3. 4863
  4. 4864
    “…These findings suggest that targeted nutrient interventions in a small portion of the landscape could substantially improve water quality at continental scales. We recommend a dual approach of first prioritizing the reduction of nutrient inputs in catchments that exert disproportionate influence on downstream water chemistry, and second, enhancing nutrient removal capacity by restoring hydrological connectivity both laterally and vertically in stream networks.…”
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  5. 4865
  6. 4866
    “…Because ultramafic rocks are widespread in slow-, and ultraslow-spreading oceanic lithosphere, continental margins, and subduction zones where H(2) is formed in copious amounts, the link between H(2) and carbon assimilation demonstrated here may be widespread within these geological settings.…”
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  7. 4867
  8. 4868
    “…METHODS: We performed an ecological analysis in the continental United States using county-level ambient concentrations of fine particulate matter (PM(2.5)) between 2000 and 2016 and cumulative COVID-19 mortality counts through June 2020, December 2020, and April 2021. …”
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  9. 4869
    “…For nine selected countries, we develop annual predictive maps which reveal geographically structured patterns of spread of each mutation at regional and continental scales. The results show associations, as well as stark differences, in spread dynamics of the two mutations across the three vector species. …”
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  10. 4870
    “…Boreal forest composed of Pinus sylvestris and Betula with continental Larix decidua and Pinus cembra established in the region around 13,450 cal bp, replacing an open, steppic landscape. …”
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  11. 4871
    “…METHODS: Twenty-eight farmers’ markets in the two largest Croatian cities (Zagreb in the continental part and Split in the Mediterranean part) were studied in the search for local vendors selling bryophytes during the pre-Christmas season. …”
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  12. 4872
    “…Population analyses showed remarkable ancestry-linked genetic variance and the presence of both high penetrance and frequent variants in the 5′ ETS, ITS2, and 28S regions segregating according to the continental populations. These findings provide a genetic view of rRNA gene array heterogeneity and raise the need to functionally assess how the 28S rRNA variants affect ribosome functions.…”
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  13. 4873
    “…Several isolates with admixed ancestry were identified that constituted distinct subclusters in the phylogenetic tree. No continental-specific genetic distinctions were observed among the NoV GII samples. …”
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  14. 4874
    “…We report region-specific virus strains that mirror the continental phylogeography of the host, demonstrating that members of the inherited virome have independently persisted in parallel host lineages since they last shared a common ancestor in the Mid-Pleistocene. …”
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  15. 4875
    “…We analyzed the timescales of fluctuations in detrended mean annual temperatures for the time period 1915–2014 from 1218 locations across the continental USA. In the last two decades, significant shifts from short to long timescales have occurred, from <3 years to 4–6 years. 6. …”
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  16. 4876
    “…RESULTS: We experimentally demonstrate the presence of riboSNitches in transcripts of two Arabidopsis genes, ZINC RIBBON 3 (ZR3) and COTTON GOLGI-RELATED 3 (CGR3), which are associated with continentality and temperature variation in the natural environment. …”
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  17. 4877
    “…While policy makers and organizations have put increasing emphasis on integrating gender into STI policies and initiatives as a means to achieve gender equality for all women and girls, inequality remains a key challenge to continental sustainable development. STI funders such as the Science Granting Councils (SGCs) in Africa are key players in national innovation systems. …”
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  18. 4878
    “…The results suggest that the population size of large herbivores decreased in the area after 17,700 cal BP, when temperate tree abundance and warm continental steppe cover both increased in the lowlands. …”
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  19. 4879
  20. 4880
    “…The aim of this study was to evaluate the geographical proximity of MTFs to the continental US (CONUS) population and relative to existing civilian adult TCs, and then to determine which MTFs might benefit most from TC development. …”
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